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[Chemical Knowledge]：Decrypt PVDF material-a comprehensive understanding of the characteristics and application of PVDF

Read： 891 Time：15months ago Source：Transform the World with Simplicity

PVDF, namely polyvinylidene fluoride, is a fluorinated polymer developed for perfluoropropylene. It has many excellent characteristics, such as low temperature resistance to brittleness, aging resistance, chemical resistance, high temperature resistance, flame retardancy and excellent mechanical properties. The following will be the characteristics and application of PVDF material in detail.

1. the characteristics of PVDF

1. anti ultraviolet: PVDF tensile strength and bending strength are very high, can be used in the air for a long time and not easily affected by ultraviolet rays, radiation, etc., so it can maintain good weather resistance.

2. chemical resistance: PVDF chemical stability is very good, can resist corrosion agent, solvent, strong acid, alkali erosion, in the chemical field has a wide range of applications.

3. Mechanical properties: PVDF compressive strength and compressive strength bending strength are very good, in the field of construction and electronic equipment is widely used.

4. infrared transmittance: PVDF infrared transmittance is relatively high, about 70%, so it can be used in solar panels, can absorb more solar rays, improve the utilization of solar energy.

5. High temperature resistance: PVDF has a higher melting point than other thermoplastics, and can be used in a high temperature environment of 200 ℃, and maintain good physical properties.

6. flame retardant: PVDF spontaneous combustion in the air, the flame is relatively weak, so it has good flame retardant properties.

2. PVDF application

1. construction field: PVDF in the construction field has a wide range of applications, often as a lighting roof and insulation roof and other building materials in the panel, because of its transparent performance is good, and has excellent weather resistance and UV resistance. Especially in areas with strong ultraviolet rays, such as the southern region, PVDF has obvious advantages over other materials.

2. Chemical industry: PVDF is also widely used in the chemical industry. Because of its strong chemical corrosion resistance and excellent corrosion resistance, it is widely used in the production of valves, pipelines, pumps, filters and other chemical equipment.

3. Electronics: PVDF is also widely used in the electronics industry and is often used as a coating material, mainly because of its low surface energy and low surface tension, which is excellent anti-fouling, anti-sticking performance, There are other excellent characteristics, such as its high compressive strength and compressive strength bending strength.

4. medical field: due to the biocompatibility of PVDF, the impact on the tissue is less, so it is widely used in the medical field, for example, as artificial blood vessels, artificial heart and other implant devices.

PVDF material has the characteristics of anti-ultraviolet, chemical resistance, excellent mechanical properties, and high flame retardancy. It is widely used in many fields such as construction, chemical industry, electronics, and medical fields. It presents a very broad market prospect in the future.